Open the case how many sticks. Read the stickers for size. Download CPU-Z and see what it says is installed. You more then likely have 256MB's of ram with 32MB's of that dedicated to your onboard Video, If you have that.

Open the case how many sticks. Read the stickers for size. Download CPU-Z and see what it says is installed. You more then likely have 256MB's of ram with 32MB's of that dedicated to your onboard Video, If you have that.

Inside shows two 256 cards, which adds up to 512. CPU-Z says i have 512 MB of RAM as well.